If you need to create large streaming worlds or want to effectively manage multiple scenes at runtime, you can open and edit multiple scenes in the Unity Editor simultaneously. Having multiple scenes open at once also lets you improve the workflow, especially if you often have to edit scenes collaboratively.
|Setup multiple scenes||How to setup, view, and edit settings with multiple scenes in your project.|
|Bake data in multiple scenes||How to bake lightmaps, NavMesh data, and occlusion culling data in multiple scenes simultaneously.|
|Use scripts to edit multiple scenes||How to edit multiple scenes with scripts, through the Editor or at runtime.|